From 1c13d15b1698db77d4057278dfef80067778c753 Mon Sep 17 00:00:00 2001
From: guzhihao4 <guzhihao4@huawei.com>
Date: Mon, 15 May 2023 16:41:35 +0800
Subject: [PATCH] [Build] Add options for libcxx

Add funwind-tables and fno-omit-frame-pointer for backtrace
Issue: #I6ZN7W

Signed-off-by: guzhihao4 <guzhihao4@huawei.com>
Change-Id: I11e3a464b8d4e35b3594df916a2e296a3b3ed097
---
 llvm-build/build.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm-build/build.py b/llvm-build/build.py
index 170dae50372a..a009e2541c9b 100755
--- a/llvm-build/build.py
+++ b/llvm-build/build.py
@@ -940,6 +940,8 @@ class LlvmLibs(BuildUtils):
 
         rt_cflags = list(cflags)
         rt_cflags.append('-fstack-protector-strong')
+        rt_cflags.append('-funwind-tables')
+        rt_cflags.append('-fno-omit-frame-pointer')
 
         rt_defines = defines.copy()
         rt_defines['OHOS'] = '1'
-- 
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